What is heat engine cycle? - Thermodynamics

Q.  The thermodynamic cycle in which net heat is transferred to the system and a net work is transferred from the system is called as
- Published on 19 Aug 15

a. refrigeration cycle
b. heat engine cycle
c. both a. and b.
d. none of the above

ANSWER: heat engine cycle
 
Heat engine can be considered as gas confined in a piston cylinder arrangement. Consider the following heat engine,



The heat Q1 is transferred to the system and work W1 is done by the system. Then system is taken to its initial position by applying work W2 on the piston and heat Q2 is rejected from the system. This is the heat engine cycle. In heat engine cycle, a net heat is transferred to the system and a net work is transferred from the system.

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